Puce: TK4100 / TK4101, fully compatible with EM4102 Working frequency: 125KHz Working pattern: Read-only Induction distance: 2~10cm Internal serial number: 5 bytes Size: 85.5× 54 × 1,80 mm (avec un trou portable) R / W Plage: 2~ 10cm, depending on the reader and the application environment Working temperature: -20℃ ~ 80 ℃ (-4℉ ~ + 176 ℉) Matériaux: ABS Wipe times: >100,000 stockage de données temps: 10 années